Ref to your comment#2 i confirm the same error message being printed during bootup, for latest 4.11.RC5 kernel and 4.10.7-041007-generic.
Have attached a screenshot, please check and advise?
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1679634/comments/2
Ref to your comment#2 i confirm the same error message being printed during bootup, for latest 4.11.RC5 kernel and 4.10.7- 041007- generic.
Have attached a screenshot, please check and advise?
https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1679634/ comments/ 2